/*
    Unplugged: A library for creating plugins.
    Copyright (C) 2011  Daniel Gutson, FuDePAN

    Unplugged is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    Unplugged is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with Unplugged.  If not, see <http://www.gnu.org/licenses/>.

    This is an internal file
*/

#ifndef FRAMEWORK_INLINE_H
#error Internal header file, DO NOT include this.
#endif

#include <cstring>
#include <cstdlib>

namespace Unplugged
{
template <class PluginClass>
PluginClass* load_plugin(const std::string& libraryname)
{
    char* const fileName = strdup(libraryname.c_str());
    const LibraryHandler handle = load_library(fileName);
    PluginClass* plg;

    free(fileName);

    if (handle != NULL)
    {
        typedef PluginClass* (*PluginCreationFunction)(void*);

        // known warning here. This is because there is no DL for C++.
        PluginCreationFunction create_plugin = find_symbol<PluginCreationFunction>(handle, "create_plugin");

        if (create_plugin != NULL)
        {
            plg = create_plugin(handle);
        }
        else
        {
            unload_library(handle);
            throw CreationFunctionNotFound();
        }
    }
    else
    {
        throw LibraryNotFound();
    }

    return plg;
}
}
